When replacing a Knight boiler fan assembly

Replacing the sensor restores the proper defrost and heating/cooling logic

a VA-6100 series electric actuator typically provides an 89 psig close-off

providing a reliable safety cutoff

A normally open valve remains in the open position when de-energized

Carrier LH31RB015 Mini Pilot 318172-701 When replacing a Knight boilerThe Carrier LH31RB015 Mini Pilot is a precision engineered OEM replacement pilot burner designed for high performance gas furnaces. As a veteran grade furnace ignition component, this assembly is strictly built to maintain a consistent pilot flame, ensuring the clean and reliable activation of the main burner during every heating cycle. This factory authorized part is cross compatible, supporting both Natural Gas and Liquid Propane (LP) systems, which